"491psp2_conn.exe is a patch file for the Novell Client v4.91 SP2 for
Windows 2000/XP. It includes fixes for problems found in NWDNS.SYS,
NWFS.SYS, and SRVLOC.SYS after the 4.91 SP2 client update was released."

Release date on SP2 1/10
Release date on psp2 1/11

That didn't take long did it :)